Home / 279,936,032.30-419,904,048.45-157,492,025.90

Finding the Fourth Proportional to 279,936,032.30, 419,904,048.45 and 157,492,025.90

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Solution

The fourth proportional to 279,936,032.30, 419,904,048.45 and 157,492,025.90 is: 236,238,038.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,032.30 : 419,904,048.45 = 157,492,025.90 : x
  2. Step 2: Convert to fraction form
    279,936,032.30/419,904,048.45 = 157,492,025.90/x
  3. Step 3: Cross multiply
    279,936,032.30x = 419,904,048.45 × 157,492,025.90
  4. Step 4: Simplify right side
    279,936,032.30x = 66,131,539,274,002,256
  5. Step 5: Solve for x
    x = 66,131,539,274,002,256/279,936,032.30
  6. Step 6: Final answer
    x = 236,238,038.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.